人教版七年级下册UNit 4 A部分的解释
John:Hi,my name‘s John.It's my first day at school.Alice:Hi,John.I’m Alice.This is a great school,but there are a lot of rules.John:Really?What are some of the rules?Alice:Well,don't be late for the class.This is very important.John:Ok,so we must be on time.Can we bring music piayers to school?Alice:No,we can't.And we always have to wear the school uniform.John:I see.Alice:oh,and we also have to be quiet in the library.